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Long Distance Running Training by Older Adults

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ClinicalTrials.gov Identifier: NCT01475448
Recruitment Status : Completed
First Posted : November 21, 2011
Last Update Posted : May 5, 2015
Information provided by (Responsible Party):

Study Description
Brief Summary:

The goal of this project is to understand the effect of regular practice of long distance running on the posture and movement control of older adults.

For such, the investigators will conduct an experiment with longitudinal design where sedentary elderly individuals will be trained in long distance running for about 4 months.

Condition or disease Intervention/treatment
Physical Activity Aging Other: Long distance training Other: Walking training

Detailed Description:

In a study the investigators conducted about elderly runners, the main observed difference by the first time was that elderly individuals present greater foot abduction (toe-out) during running than young adults. This alteration has been observed in elderly individuals in general during walking, and identified as a protective mechanism to not overload the medial compartment of the knee joint. It is also known that elderly individuals present a different joint torque distribution in the lower limbs during walking in comparison with young adults. However, it's not known the relation between the movement patterns, particularly the foot abduction pattern, and the mechanical load on the knee joint during running by elderly individuals and neither the longitudinal effect of running practice on this relation and on the mechanical joint load distribution. Another unknown aspect is the actual effect of the running practice on the posture control of elderly individuals.

With this project, the investigators want to understand why elderly individuals change their movement pattern during running, to determine for the same subjects if this altered pattern is also present during walking and standing, and to determine the effect of running practice on the elderly posture control. Our hypotheses are that the strategy of greater foot abduction is present in all movement tasks and that the use of this strategy is related to the integrity of the knee joint, even considering the highly active elderly individuals and that the practice of running contributes for a better postural control in this population.

These findings will contribute for a greater understanding of the benefits of the practice of running and the adaptations developed by the elderly runners and in this way to contribute for the prescription of this activity to the elderly population.

Study Design

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 34 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Basic Science
Official Title: Effects of Long Distance Running Training on the Posture and Movement Control of Sedentary Older Adults
Study Start Date : January 2012
Primary Completion Date : August 2012
Study Completion Date : October 2012

Resource links provided by the National Library of Medicine

U.S. FDA Resources

Arms and Interventions

Arm Intervention/treatment
Experimental: Sedentary older adults - running
Sedentary older adults (60 years old or more) recruited from local community
Other: Long distance training
Long distance training during four months, 3 times per week
Active Comparator: Sedentary older adults - walking
Sedentary older adults (60 years old or more) recruited from local community
Other: Walking training
Walking training during four months, three times per week

Outcome Measures

Primary Outcome Measures :
  1. Change from baseline of posture and movement patterns at 16 weeks [ Time Frame: Two weeks before and two weeks after the training for sixteen months ]
    biomechanical and physiological measures of the posture and movement patterns

Secondary Outcome Measures :
  1. Change from baseline of mechanical joint moments estimated by inverse dynamics at 16 weeks [ Time Frame: Two weeks before and two weeks after the training for four months ]
    Estimated joint moments by inverse dynamics at the ankle, knee, and hip joints during the support phase of walking and running

  2. Change from baseline of muscle activity measured by surface electromyography of selected muscles of the lower limb at 16 weeks [ Time Frame: Two weeks before and two weeks after the training for four months ]
    Electromyographic activity of lower limb muscles during walking and running

  3. Change from baseline of body sway measured by estabilography with a force plate during standing at 16 weeks [ Time Frame: Two weeks before and two weeks after the training for four months ]
    Measurements of balance control during quiet and unconstrained standing using a force platform.

Eligibility Criteria

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Ages Eligible for Study:   60 Years to 85 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Sedentary
  • Independent bipedal locomotion

Exclusion Criteria:

  • Inapt for practicing physical activity
  • Severe alteration of the muscle-skeletal system
  • Cognitive or neurological deficit
  • Use of orthosis for locomotion
Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01475448

Laboratory of Biophysics
Sao Paulo, Brazil, 05508030
Sponsors and Collaborators
University of Sao Paulo
Fundação de Amparo à Pesquisa do Estado de São Paulo
Principal Investigator: Marcos Duarte Federal University of ABC
More Information

Responsible Party: Marcos Duarte, Principal Investigator, University of Sao Paulo
ClinicalTrials.gov Identifier: NCT01475448     History of Changes
Other Study ID Numbers: FR-262790
First Posted: November 21, 2011    Key Record Dates
Last Update Posted: May 5, 2015
Last Verified: November 2011

Keywords provided by Marcos Duarte, University of Sao Paulo:
motor control
joint moment